Police have confirmed a blue, soft toy dog and a grey blanket that belonged to Sophie are missing from the home, which is now a crime scene.

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More than 40 State Emergency Services personnel are assisting police with the search, which has spread from Ridgeway Street to the nearby showgrounds and high school, and out into dams, paddocks and bushland.

Dozens of locals are also volunteering in the search, some even on horseback.

Police and family fear for Chloe Campbell's safety. Photo: Supplied

Anyone with information is urged to contact the Child Abduction Alert hotline on 131 564 or Triple 0 to provide life-threatening information.

Earlier

Police have used an infrared-capable helicopter to search for missing Queensland toddler Chloe Campbell.

Chloe Campbell, 3, was taken from a Childers home sometime before 7am. Photo: Supplied

Chloe, 3, who was reported missing from her home in Ridgeway Street home in Childers, south of Bundaberg, on Thursday morning.

Overnight a helicopter with infra-red cameras was sent to Childers to aid the search and police say aerial and land searches will continue into this morning.

Chloe’s father, Garth Campbell, said on Thursday he believed someone who knows the family took her.

Garth Campbell says there is no way his youngest daughter could have left their family home alone.

When he awoke on Thursday morning, Chloe, who usually sleeps in the lounge, was missing.

A window was open and when he looked out, an adult-sized footprint was on the car.

Chloe’s sleeping bag - patterned with wizards and dragons - was gone as well as her trusty companion, a stuffed toy dog named Gnarly.